package main

import "fmt"

func main()  {
	for i:=1;i<=12;i++{
		fmt.Println("兔子第",i,"个月的总数为",f(i))
	}
}

func f(x int)int  {
	if x==1 ||x==2 {
		return 1
	}else {
		return f(x-1)+f(x-2)
	}

}
